Demonstration: This compares the speed of sound at different pressures and in different gases.

Practical Activity 14-16

Demonstration: An oscilloscope is used to time a pulse of sound travelling from a speaker to a microphone.

Practical Activity 14-16

Demonstration: An oscilloscope is used to find the time of travel of a pulse of sound generated by its time-base.

Practical Activity 14-16

Class practical: Echoes are used outdoors to estimate the speed of sound. Good weather has to be ordered at the same time as...

Practical Activity 14-16

Demonstration: waste pipe is used to illustrate interference of sound waves coming from a single source by two different paths...

Practical Activity 14-16

In this activity students work with a partner at home (or in school) and use phyphox app to estimate the speed of sound

Practical Activity 14-16